m-991-02smtr Clare, Inc., m-991-02smtr Datasheet

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m-991-02smtr

Manufacturer Part Number
m-991-02smtr
Description
Call Progress Tone Generator
Manufacturer
Clare, Inc.
Datasheet
Features
Applications
Block Diagram
DS-M991-R1
Generates standard call progress tones
Digital input control
Linear (analog) output
Power output capable of driving standard line
14-pin DIP and 16-pin SOIC package types
Single supply 5V CMOS (low power)
Inexpensive 3.58 MHz time base
Temperature range from -25ºC to 70ºC (-01 ver-
sion)
Temperature range from -40ºC to 85ºC (-02 ver-
sion)
Telephone systems
Test equipment
Callback
Security systems
Billing systems
www.clare.com
Ordering Information
Description
The M-991 is a call progress tone generator integrated
circuit for use in telephone systems. The circuit uses
low-power CMOS techniques to generate tones which
are digitally controlled and highly linear. The M-991 is
designed to permit operation with almost any system.
The use of integrated circuit techniques allows the M-
991 to incorporate the control, tone generating, and
power output buffer into a single 14-pin DIP or a 16-pin
SOIC. A 3.58-MHz (color burst) crystal-controlled time
base guarantees accuracy and repeatability.
Pin Assignments
M-991
M-991-01SM
M-991-01SMTR
M-991-02SM
M-991-02SMTR
Part #
Call Progress Tone Generator
Description
14-pin plastic DIP
16-pin SOIC
16-pin SOIC Tape and Reel
16-pin SOIC, Extended
Temperature Range
16-pin SOIC, Extended
Temperature Range, Tape and
Reel
M-991
1

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m-991-02smtr Summary of contents

Page 1

... Ordering Information Part # Description M-991 14-pin plastic DIP M-991-01SM 16-pin SOIC M-991-01SMTR 16-pin SOIC Tape and Reel M-991-02SM 16-pin SOIC, Extended Temperature Range M-991-02SMTR 16-pin SOIC, Extended Temperature Range, Tape and Reel Pin Assignments www.clare.com M-991 1 ...

Page 2

... Functional operation of the device at these or -40° to 85° C any other conditions beyond those indicated in the opera- tional sections of this data sheet is not implied. Exposure of 7.0V the device to the absolute maximum ratings for an extend- ed period may degrade the device and effect its reliability. ...

Page 3

... Off One burst of tone for 3 ± before overriding station intrudes 440 Three bursts on and off 100 ms each or 100 ms on, 100 ms off, 300 ms on www.clare.com M-991 pin to ground with a small ...

Page 4

... M-991 Power-on Reset Circuit Timing Diagram Expanded Timing Diagram Typical Application 4 www.clare.com Rev. 1 ...

Page 5

... Inches Min Max A .0926 .1043 A1 .0040 .0118 b .013 .020 D .3977 .4133 E .2914 .2992 e .050 BSC H .394 .419 L .016 .050 www.clare.com M-991 Tolerances Metric (mm) Min Max - 5.33 .38 - .36 .56 1.1 1.8 .20 .36 18.7 19.7 7.6 8.3 6.1 7.1 2.54 BSC 0° 15° 2.9 4.1 Tolerances Metric (mm) Min Max 2.35 2.65 .10 .30 .33 .51 10.10 10.50 7.4 7.6 1.27 BSC 10.00 10.65 .40 1.27 Dimensions mm (inches) 5 ...

Page 6

... Clare’s product may result in direct physical harm, injury, or death to a person or severe property or environmental damage. Clare, Inc. reserves the right to discontinue or make changes to its products at any time without notice. Specification: DS-M991-R1 ©Copyright 2001, Clare, Inc. ...

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